Closes #372: removed trailing spaces in snippets

snippets/emacs-lisp-mode/x-dired.process_marked.yasnippet

@@ -3,7 +3,7 @@
 # key: x-dired
 # --
 ;; idiom for processing a list of files in dired's marked files
- 
+
 ;; suppose myProcessFile is your function that takes a file path
 ;; and do some processing on the file
 

snippets/emacs-lisp-mode/x-file.read-lines.yasnippet

@@ -10,8 +10,8 @@
      (buffer-string) "\n" t)) )
 
 ;; process all lines
-(mapc 
- (lambda (aLine) 
+(mapc
+ (lambda (aLine)
    (message aLine) ; do your stuff here
    )
  (read-lines "inputFilePath")

snippets/emacs-lisp-mode/x-find-replace.yasnippet

@@ -6,7 +6,7 @@
   "Replace “<” to “&lt;” and other chars in HTML.
 This works on the current region."
   (interactive "r")
-  (save-restriction 
+  (save-restriction
     (narrow-to-region start end)
     (goto-char (point-min))
     (while (search-forward "&" nil t) (replace-match "&amp;" nil t))